Учебник на английском языкеThe Grammar Lab is for children aged 9-12. There are books at three levels of difficulty from beginner to intermediate, suitable for use on their own or in support of a general coursebook. Within each chapter, grammar rules are taught in stages. Exercises follow each stage to check understanding. Это и многое другое вы найдете в книге The Grammar Lab. Book Three (Kenna Bourke)